angles appearance backdrop background backgrounds barrier blocks coloring colors colouring colours constructed foundation foundational growth high historic old perspective perspectives plants secure security solid stone stones stonework strength strong surface surfaces texture textures variations variety wall well-built accommodation apartment-blocks apartments architecture box-like boxed connected connections distinctive elements exterior external foliage glass greenery height hill hillside hilltop homes houses light linear lines modern modernistic mountains mountainside mountaintop multi-storey multi-story plain sloped slopes squared straight structure structured style trees units views walls windows